000 00334nam a2200133Ia 4500
008 221001s2011 xx 000 0 eng d
020 _a9788126914760
082 _a301.3 TIW
100 _aTiwari, S. K.
245 0 _aEnvironmental science
260 _aNew Delhi
_bAtlantic Publishers
_c2011
300 _a787p.
942 _2ddc
_cBK
_01
999 _c36207
_d36207